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How does Cascara work?

Cascara contains chemicals that stimulate the bowel and have a laxative effect.

Are there safety concerns?

Cascara seems safe for most adults when used short-term. Side effects include stomach discomfort and cramps. Don't use cascara for more than one to two weeks. Long-term use can cause more serious side effects including dehydration, low electrolytes, heart problems, muscle weakness, and others.